https://www.khanacademy.org/science/up-class-12-physics/x0958a876c1afdc76:electric-current/x0958a876c1afdc76:electric-current-in-conductors/e/motion-of-electrons-within-a-conductor 2026-04-08T00:36:09.500768563Z Motion of electrons within a conductor Let's solve some problems to better understand how electrons move within a conductor and how exactly current looks like in the microscopic view of conduction. Aakash exercise https://www.khanacademy.org/science/up-class-12-physics/x0958a876c1afdc76:electric-current/x0958a876c1afdc76:electric-current-in-conductors/e/relaxation-time-drift-speed-and-current 2025-02-02T07:53:56.460765089Z Relaxation time, drift speed, and current Let's practice some problems to better understand how the drift speed of electrons and the current in a conductor are related to the relaxation time. exercise https://www.khanacademy.org/science/in-in-class10th-physics/in-in-electricity/in-in-electric-potential-potential-difference/e/voltage-and-work 2021-04-29T07:59:25Z Voltage and work Let's practice problems involving the work done in moving charges through a potential difference. Satrajit exercise https://www.khanacademy.org/science/in-in-class10th-physics/in-in-electricity/in-in-electric-power-and-heating-effect-of-current/e/electric-power 2021-04-29T07:52:13Z Electric power (formula) Let's practice some problems to better understand the concept of electric power and its relation with voltage and current in a circuit. Satrajit exercise https://www.khanacademy.org/science/in-in-class-12th-physics-india/in-in-current-electricity/in-in-electric-power-and-dc-circuits/e/calculating-heat-dissipated-in-circuits 2025-02-02T07:53:56.460765089Z Calculating heat dissipated in circuits Let's practice problems involving calculating the heat dissipated in electric circuits. Satrajit exercise